describe('getVisibleParent', function () {
    /////////////////////////////
    // SETUP FOR EACH TEST
    /////////////////////////////
    var group, map, div;

    beforeEach(function () {
        div = document.createElement('div');
        div.style.width = '200px';
        div.style.height = '200px';
        document.body.appendChild(div);

        map = L.map(div, {maxZoom: 18, trackResize: false});

        map.fitBounds(new L.LatLngBounds([
            [1, 1],
            [2, 2]
        ]));
    });

    afterEach(function () {
        group.clearLayers();
        map.removeLayer(group);
        map.remove();
        document.body.removeChild(div);

        group = map = div = null;
    });

    /////////////////////////////
    // TESTS
    /////////////////////////////
    it('gets the marker if the marker is visible', function () {
        group = new L.MarkerClusterGroup();
        var marker = new L.Marker([1.5, 1.5]);

        group.addLayer(marker);
        map.addLayer(group);

        var vp = group.getVisibleParent(marker);

        expect(vp).to.be(marker);
    });

    it('gets the visible cluster if it is clustered', function () {
        group = new L.MarkerClusterGroup();
        var marker = new L.Marker([1.5, 1.5]);
        var marker2 = new L.Marker([1.5, 1.5]);

        group.addLayers([marker, marker2]);
        map.addLayer(group);

        var vp = group.getVisibleParent(marker);

        expect(vp).to.be.a(L.MarkerCluster);
        expect(vp._icon).to.not.be(null);
        expect(vp._icon).to.not.be(undefined);
    });

    it('returns null if the marker and parents are all not visible', function () {
        group = new L.MarkerClusterGroup();
        var marker = new L.Marker([5.5, 1.5]);
        var marker2 = new L.Marker([5.5, 1.5]);

        group.addLayers([marker, marker2]);
        map.addLayer(group);

        var vp = group.getVisibleParent(marker);

        expect(vp).to.be(null);
    });
});